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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207851

Type

Invention Patent

Filing

08/31/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing08/31/82
  2. Publication08/30/83
  3. Examination04/23/85
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

See this company's full portfolio

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Notificação de entrada na fase nacional - PCT

#1.3

08/30/1983

RPI 671

Carta-patente expirada

#21.1

Patente extinta em 31/08/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

06/19/1990

RPI 1023

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